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Heavyend
| Глоссарий по текстилю и текстильной промышленности |
1. the higher boiling fraction in distillation. 2. see coarse thread.
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Distillation, английский
- Перегонка
- A water purification process in which water is converted to a vapor by boiling it, and then reconverted to purified water by cooling the vapor. disc tumbler lock 316 the process of distillation distribution box
- The action of distilling a liquid
- One of the oldest methods of separating oils from flowers and still widely used. it is a heat-dependent process for separation and purification of a liquid mixture based on differences in vapor pressure of components of the mixture. in each case, the flowers or other sources of oil are changed into a still and heat is applied to separate the oil. one type involves direct contact between the plant material and boiling water. in another type, the heat source is steam that is blown through the flowers. the process involves vaporization of the more volatile component(s) and then condensation of the vapor back to a liquid. the water and oil are collected and as they separate, the oil is removed from the top.
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Doffer, английский
1. the last or delivery cylinder of the card from which the sheet of fibers is removed by the doffer comb. 2. an operator who removes full bobbins, spools, containers, or other packages from a machine and replaces them with empty ones.
Crystalline growth, английский
1. the expansion and development of a crystal. the process involves diffusion of the crystallizing material to special sites on the surface of the crystal, incorporation of the molecules into the surface at these sites, and diffusion of heat away from the surface of the crystal. 2. the transformation of disoriented molecules, usually of the same substance, to a higher state of order. this process generally occurs rapidly for small molecules; however, the process is slow for polymer molecules and is arrested at temperatures below the glass transition temperature.
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